albybjr albybjr
  • 02-05-2019
  • Mathematics
contestada

solve this system of two linear equations using substitution
y=3x-5,3y-x+1

Respuesta :

Gasaqui
Gasaqui Gasaqui
  • 15-08-2019

Answer:

y=3/2

x=13/6

Step-by-step explanation:

y=3x-5 → -3x +y = -5

3y-x+1 → -x +3y = -1

Multiply the 2nd eq by -3 and add to 1st one and replace it

-3x +y = -5 → -8y =-6

3x -9y = -1     3x -9y = -1  

→ y =3/2=1.5 . Replace this value in any eq -3x + 3/2 = -5  → x =13/6

Answer Link

Otras preguntas

A 3ft child casts a 2ft shadow at the same time a tree casts a shadow that is 6ft long how tall is the tree?
help me plz NO LINKS
A circular flower bed is 17m in diameter and has a circular sidewalk around it that is 2m wide. Find the area of the sidewalk in square meters. Use 3.14 for (pi
The volume of a cube is 365cm3. Work out the length of its side rounded to 1 DP.
multiple choice question. Identify how gender fair language can be realized.​
12. Who was the president during World War 12​
Braelyn is writing an equation to represent the perimeter of a rectangle with the width equal to half the length. She knows that the perimeter is equal to 18 un
Given that f(x) = 5x+3 and g(x) = x²-3.Finda f(4)b) f(g(x))C). g( f (2))​
If the function y=1/x is translated to the left 2 units and up 6 units, what is the new horizontal asymptote
How many solutions does the system of equations below have? y=x+2 y=x-1 A one B two С none D infinitely many